slf4j-api/src/test/java/org/slf4j/helpers/SubstituteLoggerFactoryTest.java

/**
 * Copyright (c) 2004-2011 QOS.ch
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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package org.slf4j.helpers;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import org.junit.Test;
import org.slf4j.Logger;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

public class SubstituteLoggerFactoryTest {
    private final SubstituteLoggerFactory factory = new SubstituteLoggerFactory();

    @Test
    public void testFactory() {
        Logger log = factory.getLogger("foo");
        assertNotNull(log);

        Logger log2 = factory.getLogger("foo");
        assertTrue("Loggers with same name must be same", log == log2);
    }

    @Test
    public void testLoggerNameList() {
        factory.getLogger("foo1");
        factory.getLogger("foo2");

        Set<String> expectedNames = new HashSet<>(Arrays.asList("foo1", "foo2"));
        Set<String> actualNames = new HashSet<>(factory.getLoggerNames());

        assertEquals(expectedNames, actualNames);
    }

    @Test
    public void testLoggers() {
        factory.getLogger("foo1");
        factory.getLogger("foo2");

        Set<String> expectedNames = new HashSet<>(Arrays.asList("foo1", "foo2"));

        Set<String> actualNames = new HashSet<>();
        for (SubstituteLogger slog : factory.getLoggers()) {
            actualNames.add(slog.getName());
        }

        assertEquals(expectedNames, actualNames);
    }

}